Improvement in lathes for turning wood



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IRA ROOD, OF

Entrata,` onto.

Letters lPatent No. 110,871, dated January 10, 1871.

lIVlPROVEMENTl IN LATHES FOR TURNING WOOD.

The Schedule referred to in these Letten Patent and making part of thesame.

I, IRA ROOD, of' Elyria, county of Lorain and State of Ohio, haveinvented certain Improvements in Machinery for Turning Cylindrical Conesfrom Blocks of' Solid Wood, whereby hollow wooden ware can be made ofsuperior excellence, of which the following is a specication.

'lhis invention relates to a wood-turning lathe, an consists in theconstruction and arrangement ot' devices hereinafter more fullydescribed and shown.

Description of Draw/ing'.

Figure 1 is a perspective drawing of my machine.

Figure 2, side view of one of cutting-tools and shank, and sections ofseveral tools.

Figure 3 shows one o' Vthe cones as removed from the block.

General Description..

A is the frame of machine, which should be made substantial, so as toresist vibrations.

Gross-pieces VB' and B are caston and make part of the bed-trame of themachine.

C and O are grooved ways, accurately planed and fitted. r

These ways are united stronglyA together, and the end under F is bolteddown to the i'ame.

The other end, shown at S, hasa slot and bindingscrew, so as to set theways at any angle with the main shaft L.

Dis closely fitted to the slides C and C, so as to move without play,and smoothly.

l A stud is shown at c, on which a lever is hung (not shown in thedrawing,) carrying a half-nut, that, when held on the screw N, drivesthe slide D forward.

Eis the tool-holder propel', so arranged that any required number oftools may be set with separating'- blocks, and all clamped firmly by thebinding-screw e, as shown at g y g g, 86e.

F shows one of the tools set out and ready for use. Any number of themmay be set to'actv together, or drawn back, as shown at-G.

Fig. 2 shows a separate View of one of the tools, with its knife cattached at b.

1, 2, 3, 4, 5, and 6 are sections ol' several tools curved, to suitseveral cones they are tocht olf the log of wood.

L is a mandrel or main driving-shaft, with its pnlley M, and at itsvleft end is fitted with a ange or collar, in which are set a number ofspurs, to hold the block from turning. At the .extreme end it is fittedwith nut and left-hand screw.

lhe block O is cnt from the tree of' suitable length for formingwashing-tubs, bntter-rkins, 85o., bored lengthwise through its center,and secured on the mandrel by the nut and screw.

I is an auger, fitted tothe end of' the mandrel for boring blocks.-

K is a pinion keyed on the main shaft L, and meshing into the cog-wheelI, which turns the screw N, and is so geared that the tool F is carriedabout the one thirty-second part ofan inch with each revolution ot theshaft L.

lows:

rIhe shaft L is made tov revolve rapidly in thc directhe lever carryingthe half-nut is pressed down, so as to act on the left-hand screw N.This screw causes shell, or several'of lthem together, like that shownin iig. 3. The cutting-point is somewhat similar to the hookshavingreadily.

The shells turned from this machine make hollowware of superior quality,and without stavcs.

Claim.

1` claim" as my invention- Jlhe mode of operating with this machine isas -foltion ofthe feathered arrow on M, when the handle ot' the tool toadvance regularly, and cuts ofi' a conical tool used in wooden-bowlturnilig,'a1nl removes the The construction and arrangement of mandrelL, e with its bearing-tool P, chuck K, and automatic acl-

